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jonny [76]
3 years ago
11

The price s of a pair of shoes plus 5% sales tax

Mathematics
1 answer:
zzz [600]3 years ago
3 0

An expression for that would be s + 0.05s, or 1.05s.

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Z 3 - 2z 2 + 9z - 18.
aev [14]

group the 1st 2 terms and last 2 terms:

(Z63 -2z^2) + (9z-18)

factor out GCF:

z^2(z-2) + 9(z-2)

now factor the polynomial:

(z-2) (z^2+9)

5 0
3 years ago
Read 2 more answers
Please solve 25/5(2+3)=
Sveta_85 [38]
The answer to this question is 25
3 0
3 years ago
The newspaper headline states there are about 400,000 people in attendance if the newspaper rounded to the nearest 10,000 what i
Radda [10]
Lowest 395,000 / highest 404,999
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3 years ago
Anyone who could do these 8 listed questions I will give a generous amount of points. Please make sure to list all the angles th
k0ka [10]

Answer:

1) 0, 180

2) 90

3) 3pi/2

4) pi/2, -3pi/2

5) 90, 270

6) 0

7) pi

8) -2pi, 0, 2pi

Step-by-step explanation:

1) sinx = 0

x = 0, 180, 360

2) sinx = 1

x = 90

3) sinx = -1

x = 270 or 3pi/2

4) sinx = 1

x = pi/2, pi/2 - 2pi = -3pi/2

5) cosx = 0

x = 90, 360

6) cosx = 1

x = 0, 360

7) cosx = -1

x = pi

8) cosx = 1

-2pi, 0 , 2pi

5 0
3 years ago
La funcion que representa el beneficio obtenido por una empresa si vende x unidades de uno de sus productos es f(x)= -70x^2+2800
DerKrebs [107]

Answer:

20

Step-by-step explanation:

La función es

f(x)=-70x^2+2800x-45000

Diferenciando con respecto a x obtenemos

f'(x)=-140x+2800

Igualar con cero

0=-140x+2800\\\Rightarrow x=\dfrac{2800}{140}\\\Rightarrow x=20

Doble derivada de la función

f''(x)=-140

Entonces, la función es máxima cuando el número de unidades vendidas,  x=20,

3 0
3 years ago
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